Lightly recruited out of high school, Knight was a late signee for Stanford University.

[2] He played for the Cavaliers, the Atlanta Hawks, the Memphis Grizzlies, the Phoenix Suns, the Washington Wizards, the Milwaukee Bucks, the Charlotte Bobcats, the Los Angeles Clippers, and the Utah Jazz, averaging 7.3 points and 6.1 assists per game in his career.

On January 21, 2001, while on the Hawks, Knight scored a career-best 31 points while adding 10 rebounds, during a 94–90 loss to the Washington Wizards.

He was one of the best players on the expansion team during their inaugural 2004–05 NBA season, averaging 10.1 points, 9 assists, and 1.98 steals per game as the Bobcats went 18–64.

[6] Knight joined the Memphis Grizzlies broadcast team as a color commentator on Fox Sports Tennessee in 2010.